Yıl 2020, Cilt 59 , Sayı 2, Sayfalar 93 - 100 2020-06-01

DOLOMİT İÇEREN BİR ÇİNKO CEVHERİNİN SODYUM HİDROKSİT ÇÖZELTİLERİNDEKİ ÇÖZÜNME ÖZELLİKLERİ
DISSOLUTION PROPERTIES OF A DOLOMITE CONTAINING ZINC ORE IN SODIUM HYDROXIDE SOLUTIONS

Cavit KUMAŞ [1] , İ̇lhan EHSANİ [2] , Abdullah OBUT [3]


Bu çalışmada, dolomit içeren bir çinko karbonat (simitsonit) cevher numunesinin (%24,22 ZnO) sodyum hidroksit çözeltilerindeki çözünme özellikleri X-ışını kırınımı (XRD), Fourier dönüşümlü kızılötesi spektroskopisi (FT-IR), ısıl (TG/DTA) ve kimyasal analiz yöntemleri kullanılarak belirlenmiştir. Sodyum hidroksit derişiminin 1’den 4 M’ye artırılmasıyla çinko çözünme verimi değerinin sürekli olarak arttığı gözlenmiş ve %70,7’lik en yüksek çinko çözünme verimine 298 K sıcaklıktaki 4 M NaOH çözeltisinde yapılan çözme işlemi sonrasında ulaşılmıştır. Cevher numunesinin 298 K’deki 4 M NaOH çözeltisinde çözündürülmesi sonrasında elde edilen çözünmemiş katıların XRD, FT-IR, TG/DTA ve kimyasal analizleri, numune içindeki simitsonit fazının tamamen çözündüğü halde ana gang minerali dolomitin büyük ölçüde çözünmeden kaldığını ortaya çıkarmakta, bu durum da çinko çözünmesi dikkate alındığında sodyum hidroksit çözeltisinin seçiciliğini göstermektedir. Numunedeki simitsonit fazının tümünün çözünmesine rağmen yüzde yüz çinko çözünme verimine ulaşılamaması, çalışılan cevher numunesi içinde bulunan dolomit, kil mineralleri vb. gibi gang bileşenlerindeki muhtemel çinko varlığını işaret etmektedir.
In this work, the dissolution properties of a dolomite containing zinc carbonate (smithsonite) ore sample having 24.22% ZnO were determined in sodium hydroxide solutions using X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FT-IR), thermal (TG/DTA) and chemical analyses methods. It was observed that the dissolution efficiency value of zinc continuously increased with the increase of sodium hydroxide concentration from 1 to 4 M and the highest zinc dissolution efficiency of 70.7% was reached after dissolution in 4 M NaOH solution at temperature of 298 K. The XRD, FT-IR, TG/DTA and chemical analyses of undissolved solids obtained after dissolution of ore sample in 4 M NaOH solution at 298 K revealed that the smithsonite phase in the sample completely dissolved whereas the main gangue mineral dolomite remained practically unaffected, showing the selectivity of sodium hydroxide solution considering zinc dissolution. Although the smithsonite phase in the sample totally dissolved, hundred percent zinc dissolution efficiency could not be reached, which may indicate the presence of zinc in the gangue components, i.e. dolomite, clay minerals etc., of the studied ore sample.
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Birincil Dil en
Konular Mühendislik, Ortak Disiplinler, Yerbilimleri, Ortak Disiplinler
Bölüm Araştırma Makalesi
Yazarlar

Orcid: 0000-0002-4221-3034
Yazar: Cavit KUMAŞ (Sorumlu Yazar)
Kurum: HACETTEPE ÜNİVERSİTESİ
Ülke: Turkey


Orcid: 0000-0001-9741-8777
Yazar: İ̇lhan EHSANİ
Kurum: HACETTEPE UNIVERSITY
Ülke: Turkey


Orcid: 0000-0003-2979-322X
Yazar: Abdullah OBUT
Kurum: HACETTEPE ÜNİVERSİTESİ
Ülke: Andorra


Tarihler

Yayımlanma Tarihi : 1 Haziran 2020

Bibtex @araştırma makalesi { madencilik757995, journal = {Bilimsel Madencilik Dergisi}, issn = {2564-7024}, address = {Selanik Cad. No: 19/4 06650 Kızılay-Çankaya / ANKARA - TURKEY}, publisher = {TMMOB Maden Mühendisleri Odası}, year = {2020}, volume = {59}, pages = {93 - 100}, doi = {10.30797/madencilik.757995}, title = {DISSOLUTION PROPERTIES OF A DOLOMITE CONTAINING ZINC ORE IN SODIUM HYDROXIDE SOLUTIONS}, key = {cite}, author = {Kumaş, Cavit and Ehsani̇, İ̇lhan and Obut, Abdullah} }
APA Kumaş, C , Ehsani̇, İ , Obut, A . (2020). DISSOLUTION PROPERTIES OF A DOLOMITE CONTAINING ZINC ORE IN SODIUM HYDROXIDE SOLUTIONS . Bilimsel Madencilik Dergisi , 59 (2) , 93-100 . DOI: 10.30797/madencilik.757995
MLA Kumaş, C , Ehsani̇, İ , Obut, A . "DISSOLUTION PROPERTIES OF A DOLOMITE CONTAINING ZINC ORE IN SODIUM HYDROXIDE SOLUTIONS" . Bilimsel Madencilik Dergisi 59 (2020 ): 93-100 <https://dergipark.org.tr/tr/pub/madencilik/issue/55255/757995>
Chicago Kumaş, C , Ehsani̇, İ , Obut, A . "DISSOLUTION PROPERTIES OF A DOLOMITE CONTAINING ZINC ORE IN SODIUM HYDROXIDE SOLUTIONS". Bilimsel Madencilik Dergisi 59 (2020 ): 93-100
RIS TY - JOUR T1 - DISSOLUTION PROPERTIES OF A DOLOMITE CONTAINING ZINC ORE IN SODIUM HYDROXIDE SOLUTIONS AU - Cavit Kumaş , İ̇lhan Ehsani̇ , Abdullah Obut Y1 - 2020 PY - 2020 N1 - doi: 10.30797/madencilik.757995 DO - 10.30797/madencilik.757995 T2 - Bilimsel Madencilik Dergisi JF - Journal JO - JOR SP - 93 EP - 100 VL - 59 IS - 2 SN - 2564-7024- M3 - doi: 10.30797/madencilik.757995 UR - https://doi.org/10.30797/madencilik.757995 Y2 - 2020 ER -
EndNote %0 Bilimsel Madencilik Dergisi DISSOLUTION PROPERTIES OF A DOLOMITE CONTAINING ZINC ORE IN SODIUM HYDROXIDE SOLUTIONS %A Cavit Kumaş , İ̇lhan Ehsani̇ , Abdullah Obut %T DISSOLUTION PROPERTIES OF A DOLOMITE CONTAINING ZINC ORE IN SODIUM HYDROXIDE SOLUTIONS %D 2020 %J Bilimsel Madencilik Dergisi %P 2564-7024- %V 59 %N 2 %R doi: 10.30797/madencilik.757995 %U 10.30797/madencilik.757995
ISNAD Kumaş, Cavit , Ehsani̇, İ̇lhan , Obut, Abdullah . "DISSOLUTION PROPERTIES OF A DOLOMITE CONTAINING ZINC ORE IN SODIUM HYDROXIDE SOLUTIONS". Bilimsel Madencilik Dergisi 59 / 2 (Haziran 2020): 93-100 . https://doi.org/10.30797/madencilik.757995
AMA Kumaş C , Ehsani̇ İ , Obut A . DISSOLUTION PROPERTIES OF A DOLOMITE CONTAINING ZINC ORE IN SODIUM HYDROXIDE SOLUTIONS. Madencilik. 2020; 59(2): 93-100.
Vancouver Kumaş C , Ehsani̇ İ , Obut A . DISSOLUTION PROPERTIES OF A DOLOMITE CONTAINING ZINC ORE IN SODIUM HYDROXIDE SOLUTIONS. Bilimsel Madencilik Dergisi. 2020; 59(2): 93-100.